ting_relation.module

<?php

/**
 * @file
 * Handles relations for Ting entities.
 */

// Load Field module hooks.
module_load_include('field.inc', 'ting_relation');

/**
 * Implements hook_theme().
 */
function ting_relation_theme() {
  return array(
    'ting_relation' => array(
      'template' => 'ting_relation',
      'render element' => 'elements',
      'file' => 'ting_relation.theme.inc',
    ),
  );
}


/**
 * kind of a hook - called from ting.module
 */
function ting_relation_anchor_info() {
  $ret = ting_relation_inline();
  unset($ret['dbcaddi:hasOnlineAccess']);
  unset($ret['dbcaddi:isReviewOf']);
  unset($ret['dbcaddi:isPartOfManifestation']);
  return $ret;
}

/**
 * Inline relation types and their titles.
 */
function ting_relation_inline() {
  static $types;
  if (!$types) {
    $types = array(
      'dbcaddi:hasCreatorDescription' => t('Author portrait'),
      'dbcaddi:hasReview' => t('Review'),
      'dbcaddi:hasSubjectDescription' => t('Subject description'),
      'dbcaddi:isPartOfManifestation' => t('Is part of manifestation'),
      'dbcaddi:isReviewOf' => t('Is review of'),
      'dbcaddi:hasOnlineAccess' => t('Online access'),
    );
  }
  return $types;
}

/**
 * Implements hook_form_FORM_ID_alter()
 * Adding ebrary url form field to Ting configurating form
 * Set required to FALSE - this is a part of the relation-module, and not everybody wants or has access to ebrary
 * TODO this field requires configuration. Maybe it should be moved to a module of its own?
 * this url is restricted ;'http://site.ebrary.com/lib/metropol/docDetail.action?docID=';
 * - probably for metropol access.
 */
function ting_relation_form_ting_admin_ting_settings_alter(&$form, &$form_state) {
  $form['ting']['ting_ebrary_url'] = array(
    '#type' => 'textfield',
    '#title' => t(' URL to ebrary '),
    '#description' => t('BASE URL to site.ebrary.com e.g.http://site.ebrary.com/lib/librarytitles/docDetail.action?docID='),
    '#required' => FALSE,
    '#default_value' => variable_get('ting_ebrary_url', ''),
  );
}